subexilis Cockerell, new comb .

Megachile subexilis Cockerell 1908d: 292 . Female. Type locality: Boulder, Colorado [U.S.A.]. Type repository: USNM 12206. Examined.

Megachile semiexilis Cockerell 1908d: 292 . Female. Type locality: West Fork of Gila River, New Mexico [U.S.A.]. Synonymy of Mitchell 1937d: 394.

Megachile (Chelostomoides) subexilis Mitchell 1937d: 394 ­396.

Chalicodoma (Chelostomoides) subexilis Hurd 1979: 2075 ­2076.